Open Seachest/Seachest NVMe Trim (Deallocate) Vulnerability

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Summary

CVECVE-2026-10718
StatePUBLISHED
AssignerSeagate
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-02 23:16:35 UTC
Updated2026-06-02 23:16:35 UTC
DescriptionOut of bounds write in openSeaChest’s Trim/Unmap operation in Seagate’s openSeaChest v26.03.0 on all supported platforms allows for writing extra memory describing a range of LBAs to deallocate 16 bytes outside of the allocated space when running this operation.

Risk And Classification

Primary CVSS: v4.0 4.6 MEDIUM from c6156efd-4bd0-48d7-8520-680200527478

CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:Y/R:U/V:D/RE:L/U:Green

Problem Types: CWE-787 | CWE-787 CWE-787 Out-of-bounds write

VersionSourceTypeScoreSeverityVector
4.0c6156efd-4bd0-48d7-8520-680200527478Secondary4.6MEDIUMCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/C...
4.0CNACVSS4.6MEDIUMCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/S:N/A...

CVSS v4.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
High
User Interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Sub Conf.
Low
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:Y/R:U/V:D/RE:L/U:Green

References

ReferenceSourceLinkTags
www.seagate.com/support/software/seachest c6156efd-4bd0-48d7-8520-680200527478 www.seagate.com
www.seagate.com/product-security c6156efd-4bd0-48d7-8520-680200527478 www.seagate.com
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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